18704028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 50367744

約数和(自身を除く): 31663716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2081, 2247, 2996, 4162, 4494, 6243, 8324, 8988, 12486, 14567, 24972, 29134, 43701, 58268, 87402, 174804, 222667, 445334, 668001, 890668, 1336002, 1558669, 2672004, 3117338, 4676007, 6234676, 9352014, 18704028]

約数ペア:

[(1, 18704028), (2, 9352014), (3, 6234676), (4, 4676007), (6, 3117338), (7, 2672004), (12, 1558669), (14, 1336002), (21, 890668), (28, 668001), (42, 445334), (84, 222667), (107, 174804), (214, 87402), (321, 58268), (428, 43701), (642, 29134), (749, 24972), (1284, 14567), (1498, 12486), (2081, 8988), (2247, 8324), (2996, 6243), (4162, 4494)]